Nationwide research is firming up the case for “intelligent” compaction (IC), a construction method three decades in the making that could save billions of dollars a year in potholed roads, cracked bridges, broken dams and blown-out tires. But as it represents a huge cultural shift in project delivery, the industry is struggling to find a standard way to roll it out. Slide Show Photo: Iowa State University Researchers test a ‘smart roller.’ With today’s busted public budgets, IC is a promising tool with global implications. “I’ve studied where we spend money in the U.S. to fix our infrastructure, and a
The 2016 Summer Olympics boating and swimming events have put an international spotlight on what has been a long-running problem in Rio de Janeiro—untreated sewage and trash are clogging up major bays and waterways.